222021-47-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222021-47-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,0,2 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 222021-47:
(8*2)+(7*2)+(6*2)+(5*0)+(4*2)+(3*1)+(2*4)+(1*7)=68
68 % 10 = 8
So 222021-47-8 is a valid CAS Registry Number.